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Treatment of domestic wastewater using free floating constructed wetlands assisted by Eichhornia crassipes and Pistia stratiotes
 
Więcej
Ukryj
1
Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
 
2
Department of Biosystems Technology, Faculty of Technology, University of Jaffna, Sri Lanka
 
3
Research Centre for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
 
 
Autor do korespondencji
Hassimi Abu Hasan   

Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
 
 
 
SŁOWA KLUCZOWE
DZIEDZINY
 
STRESZCZENIE
Floating phytoremediation offers a feasible, ecofriendly, and economically viable method for treating wastewater. The objective of this study is to assess the effectiveness of Eichhornia crassipes and Pistia stratiotes in treating domestic wastewater by varying loading strength and hydraulic retention time (HRT). The growth parameters of the plants were assessed and linked to the removal of contaminants. The wastewater phytoremediation by E. crassipes and P. stratiotes conducted for twenty-two days in a green house. Result showed that Eichhornia crassipes able to treat 50% strength of wastewater (50WH) efficiently with removal of ammonia, phosphate, and COD by 97.4%, 68.5%, and 54.0%, respectively, at the HRT of three days. The 50WH experimental units showed the lowest relative growth rate (RGR). The results proved the higher efficiency of E. crassipes in treating the domestic wastewater.
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